Static condensation of peridynamic heat conduction model

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Abstract

A model order reduction methodology for reducing the order of the peridynamic transient heat model is proposed. This methodology is based on the static condensation procedure. To set the development of the model reduction procedure on a sound mathematical setting, a nonlocal vector calculus was employed in the formulation of the heat transport problem. The model order reduction framework proposed in this study provides a technique to reduce the dimensionality of a peridynamic transport model while still maintaining accurate prediction of the model response. Moreover, the methodology can be adaptively applied to accommodate different resolution requirements for different sections of the model. Using numerical experiments, the proposed methodology is shown to be capable of accurately reproducing results of the full peridynamic transient heat transport problem.
Original languageEnglish
Pages (from-to)1-26
Number of pages26
JournalMathematics and Mechanics of Solids
Early online date5 Mar 2022
DOIs
Publication statusE-pub ahead of print - 5 Mar 2022

Keywords

  • continuum theory
  • peridynamics
  • model order reduction
  • static condensation
  • nonlocal calculus
  • transient heat model

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